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Albertosaurus
Albertosaurus is a genus of tyrannosaurid theropod dinosaur that lived in western North America during the Late Cretaceous Period, more than 70 million years ... > more -
Ancient Egypt
Ancient Egypt was a long-lived civilization in north-eastern Africa. It was concentrated along the middle to lower reaches of the Nile River, reaching its greatest extension during the second ... > more -
Common Chimpanzee
The Common Chimpanzee, also known as the Robust Chimpanzee, is a great ape. Colloquially, it is often called the chimpanzee (or simply "chimp"), though technically this term refers to both species in ... > more -
Plate tectonics
Plate tectonics is a theory of geology developed to explain the phenomenon of continental drift and is currently the theory accepted by the vast majority of scientists working in this area. In the ... > more -
Antikythera mechanism
The Antikythera mechanism is an ancient mechanical analog computer (as opposed to digital computer) designed to calculate astronomical positions. It was discovered in the Antikythera wreck off the ... > more -
Global warming
Global warming refers to the increase in the average temperature of the Earth's near-surface air and oceans in recent decades and its projected continuation. The global average air temperature ... > more -
Maya civilization
The Maya civilization is a Mesoamerican civilization, noted for the only known fully developed written language of the pre-Columbian Americas, as well as its spectacular art, monumental architecture, ... > more -
RMS Titanic
RMS Titanic was an Olympic class passenger liner that collided with an iceberg and sank in 1912. The second of a trio of superliners, she and her sisters, RMS Olympic and HMHS Britannic, were ... > more
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